21031597 is an odd 8-digits composite number following 21031596
and preceding 21031598 . In scientific notation, it is written as 2.1031597 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 20985120 positive integers (up to 21031597) that are relatively prime to 21031597.
21031597 has 4 divisors, whose sum is 21078076
The reverse of 21031597 is 79513012
Previous prime number is 457
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million thirty-one thousand five hundred ninety-seven
Scientific notation
2.1031597 × 10^7
Engineering notation
2.1031597 × 10^6
Prime Factorization
457 × 46021
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21031597
Product of the distinct prime numbers
The prime factorization of 21031597 is 457 × 46021.
Since it has a total of 2 prime factors.
2 , 8 , 77 , 92 , 243 , 624 , 9765 , 3950 , 96377 , 8559 , 949913 , 558542 , 6900843 , 9723232 , 1297581 , 86726515 , 268624777 , 189618920 , 4225708528 , 5082737247
n×2
42063194
n×3
63094791
n×4
84126388
n×5
105157985
n÷2
10515798.5
n÷3
7010532.3333333
n÷3
5257899.25
n÷5
4206319.4
n2
442328072370409
n3
9.3028657598813E+21
n4
1.9565412360692E+29
n5
4.114918679089E+36
2 √n
4586.0219144701
3 √n
276.03071929308
4 √n
67.72017361518
5 √n
29.145697310876
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031596
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031597 can be divided by 4 positive divisors.
The sum of these divisors (counting 21031597) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001110101010101101
3
Ternary
1110120111221001
4
Quaternary
1100032222231
5
Quinary
20341002342
6
Senary
2030440301
8
Octal
120165255
10
Decimal
21031597
12
Duodecimal
7063091
16
Hexadecimal
140eaad
20
Vigesimal
6b8ijh
36
Base36
cis31
md5
5120ea18166278fce008834a0f2c6adf
sha1
9b2a3eca5d7ff971864bdb5bbc118ae858b25ace
sha256
f0af74493462d6ee727bf0b340a024245588e1ed6c7788aacdfb2e5d741dfde4
sha512
efbf6c0eeb6d864c66e2d7909052d9218eb8b80c84dcee3343101a305b868d72a4fb4ca2742a65f7cfea7f061382d87d08695ac7426eacf73590c62c8b39d959
ripemd-160
27fa067a9c724ec8b45c1bff640683aef08d7945
Diameter
42063194
Circumference
132145421.25692
Area
1.3896146226354E+15
Volume
3.8967752971433E+22
Surface area
5.5584584905416E+15
Circumference
132145421.25692
Perimeter
84126388
Area
442328072370409
Diagonal
29743169.715765
Surface area
2653968434222454
Volume
9.3028657598813E+21
Space diagonal
36427794.568313
Perimeter
63094791
Area
1.9153367373989E+14
Altitude
18213897.284157
Surface area
1.9153367373989E+14
Volume
1.09635324388E+21
Height
9914389.9052551